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From "Xu Chen (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-8954) Not all the one block in RAM_DISK use lazy_persist policy
Date Wed, 26 Aug 2015 03:15:45 GMT
Xu Chen created HDFS-8954:
-----------------------------

             Summary: Not all the one block in RAM_DISK use lazy_persist policy
                 Key: HDFS-8954
                 URL: https://issues.apache.org/jira/browse/HDFS-8954
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: balancer & mover
    Affects Versions: 2.7.1
            Reporter: Xu Chen
            Priority: Critical


I was try to use Heterogeneous Storage feature and I config RAM_DISK volume for each DN size
of 20g , and set one directory policy of lazy_persist at HDFS , then command copyFromLocal
to load a 79g file to the directory HDFS ,  it is have 593 block , and only 141 block in RAM_DISK
, is that a bug ? or my config issue?



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